Aug 30 02:42:52.678 INFO checking sprs-0.6.2 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 02:42:52.678 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 02:42:52.678 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 02:42:52.838 INFO blam! d213ca3f31216e2893ffb9e72f0f1f27b053d3041e306e588356a57e0675d2d2
Aug 30 02:42:52.839 INFO running `"docker" "start" "-a" "d213ca3f31216e2893ffb9e72f0f1f27b053d3041e306e588356a57e0675d2d2"`
Aug 30 02:42:53.391 INFO kablam!    Compiling ndarray v0.10.14
Aug 30 02:42:53.391 INFO kablam!     Checking itertools v0.7.8
Aug 30 02:43:04.722 INFO kablam!     Checking sprs v0.6.2 (file:///source)
Aug 30 02:43:10.969 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 02:43:10.969 INFO kablam!   --> benches/sparse_dense_products.rs:33:9
Aug 30 02:43:10.969 INFO kablam!    |
Aug 30 02:43:10.969 INFO kablam! 33 |         &a * &w;
Aug 30 02:43:10.969 INFO kablam!    |         ^^^^^^^
Aug 30 02:43:10.969 INFO kablam!    |
Aug 30 02:43:10.969 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 02:43:10.969 INFO kablam! 
Aug 30 02:43:12.606 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.25s
Aug 30 02:43:12.612 INFO kablam! su: No module specific data is present
Aug 30 02:43:13.107 INFO running `"docker" "rm" "-f" "d213ca3f31216e2893ffb9e72f0f1f27b053d3041e306e588356a57e0675d2d2"`
Aug 30 02:43:13.193 INFO blam! d213ca3f31216e2893ffb9e72f0f1f27b053d3041e306e588356a57e0675d2d2